In previous adventures, Tiger, Rex and the Professor encountered the planet Ardilla and its strange rays, which caused its inhabitants to develop thick skin in resistance. But reports are, the rays are getting stronger, and more deadly, and a mission to survey the planet has gone missing. On the ship, Tavona, they join the rescue mission—but what will they find?
Biggles Looks Back
Capt. W.E. Johns
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The Cruise of the Condor
Capt. W.E. Johns
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Biggles Fails to Return
Capt. W.E. Johns
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Biggles Sorts It Out
Capt. W.E. Johns
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Biggles Takes A Hand
Capt. W.E. Johns
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Worrals Investigates
Capt. W.E. Johns
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Worrals Down Under
Capt. W.E. Johns
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Worrals of the Islands
Capt. W.E. Johns
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Worrals in the Wastelands
Capt. W.E. Johns
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Worrals in the Wilds
Capt. W.E. Johns
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Worrals Goes East
Capt. W.E. Johns
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Biggles and the Black Peril
Capt. W.E. Johns
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The Water-Witch by James Fenimore Cooper - Delphi Classics (Illustrated)
James Fenimore Cooper
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Adventure Unlimited
W.E. Johns
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Adventure Bound
W.E. Johns
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Sinister Service
W.E. Johns
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The Unknown Quantity
W.E. Johns
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Big Book of Best Short Stories - Specials - Western 2 : Volume 14
Owen Wister, John Fox Jr., Mary Austin, Ernest Haycox, Robert E. Howard, August Nemo
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Essential Novelists - Ernest Haycox
Ernest Haycox, August Nemo
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Worrals Flies Again
W. E. Johns
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The Long Rifle
Stewart Edward White
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Biggles of the Special Air Police
W. E. Johns
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Biggles Flies Again
W. E. Johns
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WESTERNS COLLECTION : The Breckinridge Elkins Series, The Pike Bearfield Series, The Buckner Jeopardy Grimes Stories
Robert E. Howard
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